Table 2.
Associations of plasma magnesium concentration with prediabetes and T2D.
| Variables | Quartiles of plasma magnesium concentration (mg/l) | Per 1 mg/l of plasma magnesium | P value for trend | |||
|---|---|---|---|---|---|---|
| 1 (Lowest) | 2 | 3 | 4 (Highest) | |||
| ≤20.47 | 20.48–22.01 | 22.02–23.65 | ≥23.65 | |||
| Prediabetes vs . NGT | ||||||
| Model 1 | 1 | 0.56 (0.44–0.70) | 0.44 (0.34–0.56) | 0.44 (0.35–0.57) | 0.88 (0.86–0.91) | <0.001 |
| Model 2 | 1 | 0.55 (0.43–0.71) | 0.46 (0.36–0.60) | 0.47 (0.37–0.61) | 0.89 (0.86–0.93) | <0.001 |
| Model 3 | 1 | 0.57 (0.44–0.74) | 0.49 (0.37–0.65) | 0.51 (0.37–0.70) | 0.90 (0.86–0.94) | <0.001 |
| T2D vs . NGT | ||||||
| Model 1 | 1 | 0.30 (0.25–0.36) | 0.17 (0.14–0.22) | 0.19 (0.16–0.24) | 0.79 (0.77–0.82) | <0.001 |
| Model 2 | 1 | 0.29 (0.23–0.36) | 0.18 (0.14–0.22) | 0.19 (0.15–0.24) | 0.80 (0.77–0.82) | <0.001 |
| Model 3 | 1 | 0.26 (0.20–0.33) | 0.15 (0.12–0.20) | 0.15 (0.11–0.20) | 0.76 (0.73–0.79) | <0.001 |
Model 1, adjusted for age, sex and BMI. Model 2, adjusted for Model 1, current smoking status, current alcohol drinking status, family history of diabetes, and hypertension. Model 3, adjusted for Model 2 and plasma calcium.